CN203387214U - Automobile emergency starting power supply and automobile power supply device - Google Patents
Automobile emergency starting power supply and automobile power supply device Download PDFInfo
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- CN203387214U CN203387214U CN201320345956.6U CN201320345956U CN203387214U CN 203387214 U CN203387214 U CN 203387214U CN 201320345956 U CN201320345956 U CN 201320345956U CN 203387214 U CN203387214 U CN 203387214U
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Abstract
The utility model is applicable to an automobile power supply, and provides an automobile emergency starting power supply electrically connected with a storage battery and a starter of an automobile. The automobile emergency starting power supply comprises a charge-discharge switch, a boost circuit and a super-capacitor module group, wherein an input terminal of the charge-discharge switch is connected with the storage battery and the starter, a first connecting terminal of the charge-discharge switch is connected with a power terminal of the super-capacitor module group through the boost circuit, and a second connecting terminal of the charge-discharge switch is directly connected with the power terminal of the super-capacitor module group. With the automobile emergency starting power supply, residual current of the storage battery is used to charge the super-capacitor module group in a low-temperature environment or when the storage battery is low, large current is supplied to the automobile starter by the super-capacitor module group after the charger is completed, and emergency starting is achieved. According to the mode, electric quantity of the storage battery is not consumed when unnecessary, an original battery is not required to replace, and therefore application cost is saved.
Description
Technical field
The utility model belongs to the automobile power source field, relates in particular to a kind of car emergency and starts power supply and automobile power source device.
Background technology
Traditional automobile starting storage battery mostly is lead acid accumulator.Because automobile storage battery is aging, undercharge, place or the reason such as cold weather for a long time, to cause storage battery power supply deficiency, engine normally to start, affect the normal use of vehicle, if now vehicle is attempted repeatedly starting, also can cause certain infringement to storage battery and starter.
At present, the startup of the car emergency on market power supply adopts lead acid accumulator as energy-storage travelling wave tube more.During due to engine start, need larger starting current, so car emergency starts power supply and will adopt high-capacity battery, this will cause this kind of starter to have the problems such as the large and inconvenient operation of volume, weight ratio; In addition, the life-span of lead acid accumulator is also shorter, only can carry out 500-1000 time discharge and recharge.
For all deficiencies of lead acid accumulator, also have and adopt lithium battery to start the scheme of power supply as car emergency.But lithium battery is under low temperature environment, its discharge capability can weaken greatly, can not complete the emergency starting to vehicle.Prior art has proposed a kind of new automobile based on super capacitor and starting storage battery parallel connection and has started battery, though this kind of battery can solve the starting problem under the automobile low temperature environment preferably.But, because super capacitor has larger self-discharge phenomenon, super capacitor and battery are directly in parallel, by the electric weight in continuous battery consumption.
The utility model content
The purpose of this utility model is to provide a kind of car emergency to start power supply, is intended to solve the problem that traditional startup power supply can consume the accumulator electric-quantity of automobile own.
The utility model is to realize like this, a kind of car emergency starts power supply, with storage battery and the starter of automobile, be electrically connected to, described car emergency starts power supply and comprises charge and discharge switch, booster circuit and super capacitor module, the incoming end of described charge and discharge switch is unsettled, or connect with its first link, or connect with its second link, the incoming end of described charge and discharge switch is connected with described storage battery and starter, described the first link is connected with the power end of described super capacitor module through booster circuit, described the second link directly is connected with the power end of described super capacitor module.
In a preferred embodiment, described super capacitor module comprises the super capacitor monomer of ground connection after a plurality of series connection and a plurality of and a plurality of described super capacitor monomer electric quantity balancing circuit in parallel respectively.
In a preferred embodiment, described electric quantity balancing circuit comprises division module, current limliting module, the first resistance, voltage checking chip and N-type metal-oxide-semiconductor;
The input of described division module is connected with negative pole with the positive pole of described super capacitor monomer respectively with output, dividing potential drop output output detections voltage;
The test side of described voltage checking chip is connected with the dividing potential drop output of described division module, control end is connected with the grid of described metal-oxide-semiconductor and change output level according to described detection voltage, and the earth terminal of described voltage checking chip is connected with the negative pole of described super capacitor monomer;
The grid of described metal-oxide-semiconductor through described the first resistance with the positive pole of described super capacitor monomer, be connected, drain through described current limliting module with the positive pole of described super capacitor monomer, be connected, source electrode is connected with the negative pole of described super capacitor monomer.
In a preferred embodiment, described super capacitor module also comprises the second resistance and the first light-emitting diode, the anode of described light-emitting diode through described the second resistance with the positive pole of described super capacitor monomer, be connected, negative electrode is connected with the drain electrode of described metal-oxide-semiconductor.
In a preferred embodiment, described division module comprises the first divider resistance, the second divider resistance, the 3rd divider resistance and filter capacitor, described the first divider resistance is connected between the test side of the positive pole of described super capacitor monomer and described voltage checking chip, and the end after described the second divider resistance, the 3rd divider resistance and filter capacitor parallel connection is connected with the test side of described voltage checking chip, the other end is connected with the negative pole of described super capacitor monomer;
Described current limliting module comprises the resistor of a plurality of parallel connections, and an end of the resistor of the plurality of parallel connection is connected with the positive pole of described super capacitor monomer, the other end is connected with the drain electrode of described metal-oxide-semiconductor.
In a preferred embodiment, described car emergency startup power supply also comprises that input is connected with the power end of described super capacitor module, presents the battery capacity indication circuit of described super capacitor module electric weight.
In a preferred embodiment, described battery capacity indication circuit comprises a plurality of comparators, a plurality of potential-divider network and a plurality of the second light-emitting diode that presents successively described super capacitor module electric weight, the input of a plurality of described potential-divider networks all is connected with the power end of described super capacitor module, the inverting input of a plurality of described comparators all is connected with reference voltage source, normal phase input end is connected with the output of described potential-divider network successively, output is respectively through the anodic bonding of the 3rd resistance and described the second light-emitting diode, the minus earth of described the second light-emitting diode.
In a preferred embodiment, described car emergency starts power supply and also comprises charging circuit, described charging circuit has the ac input end of input ac voltage and the direct-flow input end of input direct voltage, and the output of described charging circuit is connected with the power end of described super capacitor module.
In a preferred embodiment, described charge and discharge switch is single-pole double-throw switch (SPDT), the moved end of this single-pole double-throw switch (SPDT), first not moved end, second not moved end respectively as incoming end, the first link, second link of described charge and discharge switch.
Another purpose of the present utility model is to provide a kind of automobile power source device, with the starter of automobile, is connected, and comprises that storage battery and above-mentioned car emergency start power supply, and described car emergency starts power supply and is electrically connected to the starter of described storage battery and automobile.
Above-mentioned car emergency starts power supply under low temperature environment or during the storage battery quantity not sufficient, the residual current that utilizes storage battery is the charging of super capacitor module, after having charged, provide large electric current by the super capacitor module to automobile starter, complete emergency starting, this kind of mode adopts charge and discharge switch controllably to utilize storage battery to charge for super capacitor where necessary, can the battery consumption electric weight when unnecessary, do not need to change original battery yet, saved application cost.
The accompanying drawing explanation
Fig. 1 is the module map that the car emergency that provides of the utility model embodiment starts power supply;
Fig. 2 is the structural representation of the super capacitor module that provides of the utility model embodiment;
Fig. 3 is the schematic diagram of the electric quantity balancing circuit that provides of the utility model embodiment;
Fig. 4 is the module map that the car emergency that provides of another embodiment of the utility model starts power supply;
Fig. 5 is the schematic diagram of the battery capacity indication circuit that provides of the utility model embodiment.
Embodiment
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, be the module map of the car emergency startup power supply in a preferred embodiment, car emergency starts power supply 100 and is electrically connected to storage battery 200 and the starter 300 of automobile.Car emergency starts power supply 100 and comprises charge and discharge switch 110, booster circuit 120 and super capacitor module 130, the incoming end A of charge and discharge switch 110 is unsettled or connect with its first link B or connect with its second link C, the incoming end A of charge and discharge switch 110 is connected with storage battery 200 and starter 300, the first link B of charge and discharge switch 110 is connected with the power end of super capacitor module 130 through booster circuit 120, and the second link C of charge and discharge switch 110 directly is connected with the power end of super capacitor module 130.
Charge and discharge switch 110 is single-pole double-throw switch (SPDT), the moved end of this single-pole double-throw switch (SPDT), first not moved end, second not moved end respectively as incoming end A, the first link B, the second link C of charge and discharge switch 110.
Preferably, super capacitor module 130 comprises the super capacitor monomer Cx of ground connection after a plurality of series connection and a plurality of and a plurality of super capacitor monomer Cx electric quantity balancing circuit 132 in parallel respectively, in the present embodiment, super capacitor monomer Cx is consistent with the quantity of electric quantity balancing circuit 132.Super capacitor monomer Cx is with polarity, and the positive pole after a plurality of super capacitor monomer Cx serial connections is as the cathode power supply end of super capacitor module 130, the minus earth after serial connection as the negative electricity source; Electric quantity balancing circuit 132 guarantees can effectively all press each super capacitor monomer Cx to 130 charging of super capacitor module the time, thereby has extended the useful life of super capacitor module 130.
As shown in Figure 2, in embodiment, super capacitor module 130 modules adopt the super capacitor monomer Cx of 6 650F/2.7V, ф 35 * 100 to be composed in series therein.Super capacitor module 130 specifications that are composed in series are 108F/16V, can store the energy of 3.84Wh.And increased electric quantity balancing circuit 132 between super capacitor monomer Cx, guaranteed that the voltage of each super capacitor monomer Cx can not surpass its specified use voltage in when charging, effectively prevented under the overpressure situation infringement to super capacitor monomer Cx.
As shown in Figure 3, electric quantity balancing circuit 132 comprises division module 1322, current limliting module 1324, the first resistance R 1, voltage checking chip U1 and N-type metal-oxide-semiconductor Q1.The first resistance R 1 is for the current limliting dividing potential drop.
The input of division module 1322 is connected with negative pole with the positive pole of super capacitor monomer Cx respectively with output, the dividing potential drop output output detections voltage of division module 1322; The test side of voltage checking chip U1 is connected with the dividing potential drop output of division module 1322, the control end of voltage checking chip U1 is connected with the grid of metal-oxide-semiconductor Q1 and changes output level according to detecting voltage, and the earth terminal of voltage checking chip U1 is connected with the negative pole of super capacitor monomer Cx; The grid of metal-oxide-semiconductor Q1 is connected with the positive pole of super capacitor monomer Cx through the first resistance R 1, and the drain electrode of metal-oxide-semiconductor Q1 is connected with the positive pole of super capacitor monomer Cx through current limliting module 1324, and the source electrode of metal-oxide-semiconductor Q1 is connected with the negative pole of super capacitor monomer Cx.
Therein in embodiment, super capacitor module 130 also comprises the second resistance R 2 and the first light-emitting diode D1, the anode of the first light-emitting diode D1 through the second resistance R 2 with the positive pole of super capacitor monomer Cx, be connected, the negative electrode of the first light-emitting diode D1 is connected with the drain electrode of metal-oxide-semiconductor Q1.
Therein in embodiment, division module 1322 comprises the first divider resistance R3, the second divider resistance R4, the 3rd divider resistance R5 and filter capacitor C1, the first divider resistance R3 is connected between the test side of the positive pole of super capacitor monomer Cx and voltage checking chip U1, and the end after the second divider resistance R4, the 3rd divider resistance R5 and filter capacitor C1 parallel connection is connected with the test side of voltage checking chip U1, the other end is connected with the negative pole of super capacitor monomer Cx; Current limliting module 1324 comprises the resistor of a plurality of parallel connections, and an end of the resistor of the plurality of parallel connection is connected with the positive pole of super capacitor monomer Cx, the other end is connected with the drain electrode of metal-oxide-semiconductor Q1.
Voltage between super capacitor monomer Cx both positive and negative polarity, by the first divider resistance R3, the second divider resistance R4, the 3rd divider resistance R5 dividing potential drop output detections voltage, is given voltage checking chip U1.When voltage between super capacitor monomer Cx both positive and negative polarity surpasses specified use voltage, the test side voltage of voltage checking chip U1 surpasses its specified detection voltage, and the control end level upset of voltage checking chip U1, control metal-oxide-semiconductor Q1 conducting.Charging current flows to next super capacitor monomer Cx through metal-oxide-semiconductor Q1 and current limliting module 1324, no longer the super capacitor monomer Cx in parallel with this electric quantity balancing circuit 132 is charged, and fixes its voltage at specified use voltage.Simultaneously, increased equal end finger and shown circuit, when the super capacitor monomer Cx to these electric quantity balancing circuit 132 parallel connections all presses, the first light-emitting diode D1 will be lit, and like this, the operating state of electric quantity balancing circuit 132 is very clear.
In a preferred embodiment, as shown in Figure 4, car emergency starts power supply 100 and also comprises battery capacity indication circuit 140, and the input of battery capacity indication circuit 140 is connected with the power end of super capacitor module 130, and battery capacity indication circuit 140 presents the electric weight of super capacitor module 130.
In the present embodiment, car emergency starts power supply 100 and also comprises charging circuit 150, charging circuit 150 has the ac input end of input ac voltage and the direct-flow input end of input direct voltage, and the output of charging circuit 150 is connected with the power end of super capacitor module 130.
As shown in Figure 5, battery capacity indication circuit 140 comprises a plurality of comparator U21～U2n, a plurality of potential-divider networks 142 and a plurality of the second light-emitting diode D2 that presents successively super capacitor module 130 electric weight, the input of a plurality of potential-divider networks 142 all is connected with the power end of super capacitor module 130, the inverting input of a plurality of comparator U21～U2n all is connected with reference voltage source 144, the normal phase input end of a plurality of comparator U21～U2n is connected with the output of potential-divider network 142 successively, the output of a plurality of comparator U21～U2n is respectively through the anodic bonding of the 3rd resistance R 6 and the second light-emitting diode D2, the minus earth of the second light-emitting diode D2.
In the present embodiment, a plurality of comparator U21～U2n are with the comparator in the four-operational amplifier of differential input, can select LM324 series four-operational amplifier U2.Potential-divider network 142 comprises the divider resistance of two serial connections, and the tandem node of these two divider resistances is connected with the normal phase input end of comparator as the output of potential-divider network 142.In fact, in embodiment, when super capacitor module 130 is full of electricity, the second all light-emitting diode D2 light simultaneously therein; When super capacitor module 130 voltages are greater than 14V, first three second light-emitting diode D2 lights; When super capacitor module 130 voltages are greater than 10V, the first two the second light-emitting diode D2 lights.When super capacitor module 130 voltages are greater than 8V, first second light-emitting diode D2 lights.According to the indication of the second light-emitting diode D2, can be understood super capacitor module 130 electric weight, before determining emergency starting, whether also need it is charged.
In the present embodiment, reference voltage source 144 comprises three end adjustable shunt reference source D6, adjustable resistance R7 and divider resistance R8, the anode of three end adjustable shunt reference source D6 is connected, is connected with the adjustable side of adjustable resistance R7 with reference to the utmost point with the end of adjustable resistance R7, the negative electrode of three end adjustable shunt reference source D6 is connected with the inverting input of the other end of adjustable resistance R7 and a plurality of comparator U21～U2n, and this negative electrode is connected with DC power supply through divider resistance R8.
It is as follows that the car emergency that the utility model provides starts power supply 100 concrete operation steps:
Before automobile is carried out to emergency starting, at first need to open battery capacity indication circuit 140, guarantee that super capacitor module 130 voltages, more than 14V, can normally start vehicle.
If super capacitor module 130 voltages are lower, needing that car emergency is started to power supply 100 is connected with storage battery 200 by reinforcing wire, then the incoming end A of charge and discharge switch 110 is got to juice point (the first link B), super capacitor module 130 is charged.Until super capacitor module 130 voltages while being greater than 14V, are got to electric discharge place (the second link C) by the incoming end A of charge and discharge switch 110, vehicle is started.
If 220V civil power or portable power source etc. are arranged, also can select by charging circuit 150, super capacitor module 130 is charged.
In the moment of automobile starting, super capacitor module 130 can discharge the above electric current of 600A, completes severe cold, storage battery 200 power shortages etc. in particular cases to the emergency starting of vehicle.
After vehicle is completed to emergency starting, super capacitor module 130 voltages will drop to the 10V left and right.As need carry out startup next time, need to again be charged to super capacitor module 130.If do not need charging, reinforcing wire can be taken off, should prevent the both positive and negative polarity short circuit while taking off.
In addition, also provide a kind of automobile power source device, it is connected with starter 300, and the automobile power source device comprises that storage battery 200 and above-mentioned car emergency start power supply 100, and car emergency starts power supply 100 and is electrically connected to storage battery 200 and starter 300.
Above-mentioned car emergency starts power supply 100 under low temperature environment or storage battery 200 electric weight when not enough, the residual current that utilizes storage battery 200 is 130 chargings of super capacitor module, after having charged, provide large electric current by super capacitor module 130 to starter 300, complete emergency starting, this kind of mode adopts charge and discharge switch 110 controllably to utilize storage battery 200 for the super capacitor charging where necessary, can battery consumption 200 electric weight when unnecessary, do not need to change original battery yet, saved application cost.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a car emergency starts power supply, with storage battery and the starter of automobile, be electrically connected to, it is characterized in that, described car emergency starts power supply and comprises charge and discharge switch, booster circuit and super capacitor module, the incoming end of described charge and discharge switch is unsettled, or connect with its first link, or connect with its second link, the incoming end of described charge and discharge switch is connected with described storage battery and starter, described the first link is connected with the power end of described super capacitor module through booster circuit, described the second link directly is connected with the power end of described super capacitor module.
2. car emergency as claimed in claim 1 starts power supply, it is characterized in that, described super capacitor module comprises that super capacitor monomer and a plurality of and a plurality of described super capacitor monomer of ground connection distinguished electric quantity balancing circuit in parallel after a plurality of series connection.
3. car emergency as claimed in claim 2 starts power supply, it is characterized in that, described electric quantity balancing circuit comprises division module, current limliting module, the first resistance, voltage checking chip and N-type metal-oxide-semiconductor;
The input of described division module is connected with negative pole with the positive pole of described super capacitor monomer respectively with output, dividing potential drop output output detections voltage;
The test side of described voltage checking chip is connected with the dividing potential drop output of described division module, control end is connected with the grid of described metal-oxide-semiconductor and change output level according to described detection voltage, and the earth terminal of described voltage checking chip is connected with the negative pole of described super capacitor monomer;
The grid of described metal-oxide-semiconductor through described the first resistance with the positive pole of described super capacitor monomer, be connected, drain through described current limliting module with the positive pole of described super capacitor monomer, be connected, source electrode is connected with the negative pole of described super capacitor monomer.
4. car emergency as claimed in claim 3 starts power supply, it is characterized in that, described super capacitor module also comprises the second resistance and the first light-emitting diode, the anode of described light-emitting diode through described the second resistance with the positive pole of described super capacitor monomer, be connected, negative electrode is connected with the drain electrode of described metal-oxide-semiconductor.
5. car emergency as described as claim 3 or 4 starts power supply, it is characterized in that, described division module comprises the first divider resistance, the second divider resistance, the 3rd divider resistance and filter capacitor, described the first divider resistance is connected between the test side of the positive pole of described super capacitor monomer and described voltage checking chip, and the end after described the second divider resistance, the 3rd divider resistance and filter capacitor parallel connection is connected with the test side of described voltage checking chip, the other end is connected with the negative pole of described super capacitor monomer;
Described current limliting module comprises the resistor of a plurality of parallel connections, and an end of the resistor of the plurality of parallel connection is connected with the positive pole of described super capacitor monomer, the other end is connected with the drain electrode of described metal-oxide-semiconductor.
6. car emergency as described as claim 1 to 4 any one starts power supply, it is characterized in that, described car emergency starts power supply and also comprises that input is connected with the power end of described super capacitor module, presents the battery capacity indication circuit of described super capacitor module electric weight.
7. car emergency as claimed in claim 6 starts power supply, it is characterized in that, described battery capacity indication circuit comprises a plurality of comparators, a plurality of potential-divider networks and a plurality of the second light-emitting diode that presents successively described super capacitor module electric weight, the input of a plurality of described potential-divider networks all is connected with the power end of described super capacitor module, the inverting input of a plurality of described comparators all is connected with reference voltage source, normal phase input end is connected with the output of described potential-divider network successively, output is respectively through the anodic bonding of the 3rd resistance and described the second light-emitting diode, the minus earth of described the second light-emitting diode.
8. car emergency as described as claim 1 to 4 any one starts power supply, it is characterized in that, described car emergency starts power supply and also comprises charging circuit, described charging circuit has the ac input end of input ac voltage and the direct-flow input end of input direct voltage, and the output of described charging circuit is connected with the power end of described super capacitor module.
9. car emergency as described as claim 1 to 4 any one starts power supply, it is characterized in that, described charge and discharge switch is single-pole double-throw switch (SPDT), the moved end of this single-pole double-throw switch (SPDT), first not moved end, second not moved end respectively as incoming end, the first link, second link of described charge and discharge switch.
10. an automobile power source device, be connected with the starter of automobile, comprises that storage battery and car emergency as described as claim 1 to 9 any one start power supply, and described car emergency starts power supply and is electrically connected to the starter of described storage battery and automobile.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320345956.6U CN203387214U (en) | 2013-06-17 | 2013-06-17 | Automobile emergency starting power supply and automobile power supply device |
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| CN201320345956.6U CN203387214U (en) | 2013-06-17 | 2013-06-17 | Automobile emergency starting power supply and automobile power supply device |
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